Hmm. Strange; I've never received a call concerning servicing. How would it know which dealer I would use anyway...

It is either the dealer you bought it from in the first place, or the one you have defined in mybmw.com, mein-bmw.de, etc.

I really appreciate this service. In my previous E60, when I was approaching the 60,000 km mark, I kept postponing the call to arrange an appointment. Then, one day I received a call from my dealership (the car had ca. 59,500 km) in order to schedule it. Nice!